[kwlug-disc] SSD Failure Symptoms and Recovering Data?

[CrankyOldBugger]

Ditto on the EVOs..  pretty solid drives.  I've had a few, with no issues.



On Thu, 8 Nov 2018 at 09:41, Benjamin Tompkins <bjtompkins at gmail.com> wrote:

> I agree with Ron on this one.  You pretty much can't go wrong with any of
> the Samsung EVO/PRO SSDs.  I personally have a couple of the 850 and 960s
> in use at home.
>
> On Thu, Nov 8, 2018 at 9:35 AM Ron Singh <ronsingh149 at gmail.com> wrote:
>
>> Sorry to hear of your SSD woes Khalid, must be a ton of read retries
>> causing the slow copy?
>>
>> We use a ton of Samsung 860 Pro and EVO in my world for
>> laptops/workstations and cache devices on NAS units. The 860 PRO with it's
>> LMC tech is likely overkill for an end-user situation and the prices are
>> brutal.
>>
>> The 860 EVO is the perfect blend of decent pricing and unparalleled
>> reliability compared to it's peers in the TLC realm.
>>
>> We have used Intel, Sandisk, Crucial/Micron, and Samsung since about 2009
>> and the Samsung are the ones holding up best, only about 4-5 failures in 9
>> years within a population of at least 3000 units in play. The Intel units
>> were the worse.
>>
>> The prices online at at CC are remarkably low for Samsung and a fair
>> number of SSDs out there, hard to go wrong.
>>
>> Thanks,
>>
>> Ron Singh
>>
>>
>>
>> On Wed, Nov 7, 2018 at 11:25 PM Khalid Baheyeldin <kb at 2bits.com> wrote:
>>
>>> So, the excepted happened and a laptop with an SSD failed.
>>>
>>> The laptop itself is OK, despite its age, but the SSD (added in the past
>>> few years), failed.
>>> First, it was a SMART error like this:
>>>
>>> Device: /dev/sda [SAT], 1 Offline uncorrectable sectors
>>>
>>> Device info:
>>> HP SSD S700 120GB, S/N:xxxx, FW:Q0330B1, 120 GB
>>>
>>> Then it was 3 sectors, and yesterday it was 33 sectors.
>>>
>>> I started copying the data off of the SSD to an external USB disk. It is
>>> working, but it is very slow.
>>> The shell command is slow when I press tab for command completion. Most
>>> commands time out (systemd reports several timeouts). The disk is mounted
>>> read only.
>>>
>>> The copying is now a day and a half for a only a few tens of GB. The
>>> target disk flickers once every minute or so.
>>>
>>> Why is this copying too slow?
>>>
>>> Another question is what replacement SSD should I get. Ron Singh posted
>>> a while back about Samsung EVO 860, which are still on sale at Canada
>>> Computers and BestBuy (ends tomorrow), e.g.
>>>
>>>
>>> https://www.canadacomputers.com/product_info.php?cPath=179_1229_1088&item_id=120021
>>>
>>> Are these still a good value? Or are there alternatives?
>>> --
>>> Khalid M. Baheyeldin
>>> 2bits.com, Inc.
>>> Fast Reliable Drupal
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>>>
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